若多项式5a²+3mab-1与3b²-4a²-8ab+mab+7的差不含ab项,则m=( )若多项式5a²+3mab-1与3b²-4a²-8ab+mab+7的差不含ab项,则m=( )
来源:学生作业帮助网 编辑:作业帮 时间:2024/08/17 09:24:17
![若多项式5a²+3mab-1与3b²-4a²-8ab+mab+7的差不含ab项,则m=( )若多项式5a²+3mab-1与3b²-4a²-8ab+mab+7的差不含ab项,则m=( )](/uploads/image/z/1789797-21-7.jpg?t=%E8%8B%A5%E5%A4%9A%E9%A1%B9%E5%BC%8F5a%26%23178%3B%2B3mab-1%E4%B8%8E3b%26%23178%3B-4a%26%23178%3B-8ab%2Bmab%2B7%E7%9A%84%E5%B7%AE%E4%B8%8D%E5%90%ABab%E9%A1%B9%2C%E5%88%99m%3D%EF%BC%88+%EF%BC%89%E8%8B%A5%E5%A4%9A%E9%A1%B9%E5%BC%8F5a%26%23178%3B%2B3mab-1%E4%B8%8E3b%26%23178%3B-4a%26%23178%3B-8ab%2Bmab%2B7%E7%9A%84%E5%B7%AE%E4%B8%8D%E5%90%ABab%E9%A1%B9%2C%E5%88%99m%3D%EF%BC%88+%EF%BC%89)
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若多项式5a²+3mab-1与3b²-4a²-8ab+mab+7的差不含ab项,则m=( )若多项式5a²+3mab-1与3b²-4a²-8ab+mab+7的差不含ab项,则m=( )
若多项式5a²+3mab-1与3b²-4a²-8ab+mab+7的差不含ab项,则m=( )
若多项式5a²+3mab-1与3b²-4a²-8ab+mab+7的差不含ab项,则m=( )
若多项式5a²+3mab-1与3b²-4a²-8ab+mab+7的差不含ab项,则m=( )若多项式5a²+3mab-1与3b²-4a²-8ab+mab+7的差不含ab项,则m=( )
单选ab项作差 (3m-(-8+m))ab=0 m=-4